Posted by Nathon on January 16, 2014 at 09:41:30 from (216.227.55.31):
I have a 400 gas start diesel. The engine has about 300 hours on it since a complete, out of frame, overhaul by me. My third one of these types of engines. Nothing was omitted during this event. Crank ground .010 over, reconditioned connecting rods, every known bearing replaced, new pistons and wrist pins, all parts boiled and thoroughly cleaned etc. It ran great with super oil pressue but now it has a knock. I have torn it apart to find that the wrist pin bushings have failed. The holes in the bushings appeared to have been properly aligned with the oil gallery in the connecting rod. I can see nothing that was assembled incorrectly. I know this is a high wear area for this type of engine, over the long term, but does anyone have any ideas why these failed so prematurely?
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Today's Featured Article - Memories of an IH Super A When I was ? up to 10, I worked on my Papaw's farm in Greeneville, TN every summer. As I grew older (7), it was the thrill of my day to ride or drive on the tractor. My Papaw had a 1954 IH Super A that he bought to replace a Cub. My Papaw raised "baccer" (tobacco) and corn with the Super A, but the fondest memory was of the sawmill. He owned a small sawmill for sawing "baccer" sticks. The Super A was the powerplant. When I was old enough (7 or 8), I would get up early and be dressed to
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